383626655498856 has 384 divisors, whose sum is σ = 1225174934016000. Its totient is φ = 98981841369600.

The previous prime is 383626655498839. The next prime is 383626655498861. The reversal of 383626655498856 is 658894556626383.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1300321521 + ... + 1300616511.

It is an arithmetic number, because the mean of its divisors is an integer number (3190559724000).

Almost surely, 2^{383626655498856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383626655498856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612587467008000).

383626655498856 is an abundant number, since it is smaller than the sum of its proper divisors (841548278517144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

383626655498856 is a wasteful number, since it uses less digits than its factorization.

383626655498856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295693 (or 295682 counting only the distinct ones).

The product of its digits is 53747712000, while the sum is 84.

The spelling of 383626655498856 in words is "three hundred eighty-three trillion, six hundred twenty-six billion, six hundred fifty-five million, four hundred ninety-eight thousand, eight hundred fifty-six".